There can be
numerous reasons that would be causing login failed error in your Android
phone. It could be anything from network connection error to the hacking case. Below we have mentioned some of
the most common reasons (with their solution) to help you fix login issue in
your Yahoo Mail app on Android device.

Network
Connection Issue

If you are
connected to the internet via Wi-Fi, make
sure that your device is receiving proper signal. Try opening any website in your browser and see if the internet is
working fine. However, if you are connected to the internet via Mobile date, make sure that your data pack is not
over.

You Have
Enabled Two-Step Verification on your Yahoo Mail Account

If you have recently activated Two-Step
verification feature in your Yahoo Mail account, you might not be able to
access Yahoo Mail app on your Android Phone. In such case, you will need to
generate a special password to access Yahoo Mail app. For this, open your Yahoo
Mail account on a supported web browser and go to Settings (Gear icon) > Account
info > Account security > Generate app password. Follow the
on-screen instructions and complete the process of generating app password.
Once the password is generated, use it to log into your Yahoo Mail app on your
Android phone.

Mobile Number
has Changed

If you have
replaced the phone number with a new one on the same Android device, you might
not be able to access Yahoo Mail app. In such case, you will need to add the
new phone number in your Yahoo Mail account. To do this, open the Yahoo Mail on
your web browser and go to Settings
(Gear icon) > Account info > Account security > Phone number > Add
recovery phone number. Enter your new phone number and click Send SMS button. You will get a code on
your new phone number. Enter this code in the provided field and click Verify.
Now you will able to access your account in Yahoo Mail Android app.

Someone
Changed the Password for your Account

If you think
that the security of your Yahoo Mail account has been compromised, it is best
to reset the password for your account. This will eliminate the hacker from
having access to your account. To reset the password,
follow these steps:

On your web browser, go to the Yahoo sign-in page and enter your email address, and click Next. This will direct you to next screen where you will be prompted to enter your password.

As your password is not working, click on the link – I forgot my password. This will redirect you to next page where you will get one of the account recovery options (phone number or email address) registered with your Yahoo account.

Click Yes, text me an Account Key if you recognize the given option and you have access to it. However, if you don’t recognize the option or if you don’t have access to it, click I don’t have access to this phone/email address. This will lead you to another account recovery option (if any).

NOTE- You must have access to one of the account recovery options to reset
the password for your account.

Once you receive the Account Key, enter it on the next
screen in the provided field.

If it verified successfully,
you will be directed to next page where you will see a Success message with
these two options:

Continue

Create a new password

To reset the password, select
the second option – Create a new
password. On the next page, enter the new password in the provided fields
and click Continue.

Then, follow the on-screen
instructions to complete the process.

This way you will be able to
reset the password for your Yahoo Mail account.

So, this is how you can easily fix the Login failed error on your Android phone. For further assistance feel free to get in touch with our third-party Yahoo Mail customer support team. Our team is available round the clock via customer service helpline number (toll-free), email, and live chat support.